According to george herbert mead, why is it important that young children role-play?
a. to ignore nature qualities and nurtured qualities
b. to trick one's ego into behaving differently
c. to discover the balance between one's id and one's superego
d. to learn how society expects people to act

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .

the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg